private void LoadWAD(string WADPath, string LevelName)
{
byte[] buffer;
int i;
GD.Print($"Opening {WADPath}...");
File file = new File();
file.Open(WADPath, File.ModeFlags.Read);
if (file.Open(WADPath, File.ModeFlags.Read) != Godot.Error.Ok)
{
GD.Print($"Failed to open WAD file {WADPath}");
return;
}
if (printDebugInfo)
{
GD.Print("READING HEADER...");
}
Header header = new Header();
header.Type = Decode32AsString(file);
header.LumpNum = file.Get32();
header.DirOffset = file.Get32();
GD.Print($"{this.WADPath} is {header.Type}");
if (printDebugInfo)
{
GD.Print("READING LUMPS");
}
Lump lumpMapname = new Lump();
Lump lumpThings = new Lump();
Lump lumpLinedefs = new Lump();
Lump lumpSidedefs = new Lump();
Lump lumpVertexes = new Lump();
Lump lumpSegs = new Lump();
Lump lumpSubsectors = new Lump();
Lump lumpNodes = new Lump();
Lump lumpSectors = new Lump();
Lump lumpReject = new Lump();
Lump lumpBlockmap = new Lump();
bool first = true;
bool breakAfter = false;
file.Seek(header.DirOffset);
for (int j = 0; j < header.LumpNum; j++)
{
Lump lump = ReadLump(file);
if (first)
{
lumpMapname = lump;
first = false;
}
switch (lump.Name)
{
case "THINGS":
lumpThings = lump;
break;
case "LINEDEFS":
lumpLinedefs = lump;
break;
case "SIDEDEFS":
lumpSidedefs = lump;
break;
case "VERTEXES":
lumpVertexes = lump;
break;
case "SEGS":
lumpSegs = lump;
break;
case "SSECTORS":
lumpSubsectors = lump;
break;
case "NODES":
lumpNodes = lump;
break;
case "SECTORS":
lumpSectors = lump;
break;
case "REJECT":
lumpReject = lump;
break;
case "BLOCKMAP":
lumpBlockmap = lump;
if (breakAfter)
{
break;
}
break;
default:
if (lump.Name == levelName)
{
breakAfter = true;
}
break;
}
}
if (printDebugInfo)
{
GD.Print($"Internal map name: {lumpMapname.Name}");
}
if (printDebugInfo)
{
GD.Print($"READING THINGS...");
}
file.Seek(lumpThings.Offset);
buffer = file.GetBuffer((int)lumpThings.Size);
Thing[] things = new Thing[lumpThings.Size];
i = 0;
while (i < buffer.Length)
{
Thing thing = new Thing();
thing.X = ToShort(buffer[i], buffer[i + 1]);
thing.Y = ToShort(buffer[i + 2], buffer[i + 3]);
thing.Angle = ToShort(buffer[i + 4], buffer[i + 5]);
thing.Type = ToShort(buffer[i + 6], buffer[i + 7]);
thing.Options = ToShort(buffer[i + 8], buffer[i + 9]);
things.Append(thing);
i += 10;
}
if (printDebugInfo)
{
GD.Print("READING LINEDEFS...");
}
file.Seek(lumpLinedefs.Offset);
buffer = file.GetBuffer((int)lumpLinedefs.Size);
Linedef[] linedefs = new Linedef[lumpLinedefs.Size];
i = 0;
int k = 0;
while (i < buffer.Length)
{
Linedef linedef = new Linedef();
linedef.StartVertex = ToShort(buffer[i], buffer[i + 1]);
linedef.EndVertex = ToShort(buffer[i + 2], buffer[i + 3]);
linedef.Flags = ToShort(buffer[i + 4], buffer[i + 5]);
linedef.Type = ToShort(buffer[i + 6], buffer[i + 7]);
linedef.Trigger = ToShort(buffer[i + 8], buffer[i + 9]);
linedef.RightSidedef = ToShort(buffer[i + 10], buffer[i + 11]);
linedef.LeftSidedef = ToShort(buffer[i + 12], buffer[i + 13]);
//linedefs.Append(linedef);
linedefs[k++] = linedef;
i += 14;
}
if (printDebugInfo)
{
GD.Print("READING SIDEDEFS...");
}
file.Seek(lumpSidedefs.Offset);
buffer = file.GetBuffer((int)lumpSidedefs.Size);
Sidedef[] sieddefs = new Sidedef[lumpSidedefs.Size];
i = 0;
while (i < buffer.Length)
{
Sidedef sidedef = new Sidedef();
sidedef.XOffset = ToShort(buffer[i], buffer[i + 1]);
sidedef.YOffset = ToShort(buffer[i + 2], buffer[i + 3]);
sidedef.UpperTexture = Combine8BytesToString(buffer[i + 4], buffer[i + 5], buffer[i + 6], buffer[i + 7],
buffer[i + 8], buffer[i + 9], buffer[i + 10], buffer[i + 11]);
sidedef.LowerTexture = Combine8BytesToString(buffer[i + 12], buffer[i + 13], buffer[i + 14], buffer[i + 15],
buffer[i + 16], buffer[i + 17], buffer[i + 18], buffer[i + 19]);
sidedef.MiddleTexture = Combine8BytesToString(buffer[i + 20], buffer[i + 21], buffer[i + 22],
buffer[i + 23], buffer[i + 24], buffer[i + 25], buffer[i + 26], buffer[i + 27]);
sidedef.Sector = ToShort(buffer[i + 28], buffer[i + 29]);
sieddefs.Append(sidedef);
i += 30;
}
if (printDebugInfo)
{
GD.Print("READING VERTEXES...");
}
file.Seek(lumpVertexes.Offset);
buffer = buffer = file.GetBuffer((int)lumpVertexes.Size);
Vertex[] vertexes = new Vertex[lumpVertexes.Size];
i = 0;
k = 0;
while (i < buffer.Length)
{
float x = ToShort(buffer[i], buffer[i + 1]) * scale;
float y = ToShort(buffer[i + 2], buffer[i + 3]) * scale;
Vertex vertex = new Vertex();
vertex.X = x;
vertex.Y = y;
vertexes[k] = vertex;
k += 1;
i += 4;
}
if (printDebugInfo)
{
GD.Print("READING SUB-SECTORS...");
}
file.Seek(lumpSubsectors.Offset);
buffer = buffer = file.GetBuffer((int)lumpSubsectors.Size);
SubSector[] subSectors = new SubSector[lumpSubsectors.Size];
i = 0;
while (i < buffer.Length)
{
SubSector subSector = new SubSector();
subSector.SegCount = ToShort(buffer[i], buffer[i + 1]);
subSector.SegNum = ToShort(buffer[i + 2], buffer[i + 3]);
subSectors.Append(subSector);
i += 4;
}
if (printDebugInfo)
{
GD.Print("READING NODES...");
}
file.Seek(lumpNodes.Offset);
buffer = buffer = file.GetBuffer((int)lumpNodes.Size);
Node[] nodes = new Node[lumpNodes.Size];
i = 0;
while (i < buffer.Length)
{
Node node = new Node();
node.X = ToShort(buffer[i], buffer[i + 1]);
node.Y = ToShort(buffer[i + 2], buffer[i + 3]);
node.DX = ToShort(buffer[i + 4], buffer[i + 5]);
node.DY = ToShort(buffer[i + 6], buffer[i + 7]);
node.YUpperRight = ToShort(buffer[i + 8], buffer[i + 9]);
node.YLowerRight = ToShort(buffer[i + 10], buffer[i + 11]);
node.XLowerRight = ToShort(buffer[i + 12], buffer[i + 13]);
node.XUpperRight = ToShort(buffer[i + 14], buffer[i + 15]);
node.YUpperLeft = ToShort(buffer[i + 16], buffer[i + 17]);
node.YLowerLeft = ToShort(buffer[i + 18], buffer[i + 19]);
node.XLowerLeft = ToShort(buffer[i + 20], buffer[i + 20]);
node.XUpperLeft = ToShort(buffer[i + 22], buffer[i + 23]);
node.NodeRight = ToShort(buffer[i + 24], buffer[i + 25]);
node.NodeLeft = ToShort(buffer[i + 26], buffer[i + 27]);
i += 28;
}
if (printDebugInfo)
{
GD.Print("READING SECTORS...");
}
file.Seek(lumpSectors.Offset);
buffer = buffer = file.GetBuffer((int)lumpSectors.Size);
Sector[] sectors = new Sector[lumpSectors.Size];
i = 0;
while (i < buffer.Length)
{
Sector sector = new Sector();
sector.FloorHeight = ToShort(buffer[i], buffer[i + 1]);
sector.FloorHeight = ToShort(buffer[i + 1], buffer[i + 3]);
sector.FloorTexture = Combine8BytesToString(buffer[i + 4], buffer[i + 5], buffer[i + 6], buffer[i + 7],
buffer[i + 8], buffer[i + 9], buffer[i + 10], buffer[i + 11]);
sector.CeilTexture = Combine8BytesToString(buffer[i + 12], buffer[i + 13], buffer[i + 14], buffer[i + 15],
buffer[i + 16], buffer[i + 17], buffer[i + 18], buffer[i + 19]);
sector.LightLevel = ToShort(buffer[i + 20], buffer[i + 21]);
sector.Special = ToShort(buffer[i + 22], buffer[i + 23]);
sector.Tag = ToShort(buffer[i + 24], buffer[i + 25]);
sectors.Append(sector);
i += 26;
}
file.Close();
if (printDebugInfo)
{
GD.Print("BUILDING GEOMETRY");
}
foreach (var ld in linedefs)
{
if (ld == null)
{
continue;
}
Vertex vertex1 = vertexes[ld.StartVertex];
Vertex vertex2 = vertexes[ld.EndVertex];
ImmediateGeometry geometry = new ImmediateGeometry();
geometry.MaterialOverride = _surfaceMaterial;
geometry.Begin(Mesh.PrimitiveType.Lines);
if (ld.Type != 0)
{
geometry.SetColor(new Color(1, 1, 0));
}
else
{
geometry.SetColor(new Color(1, 0, 0));
}
geometry.AddVertex(new Vector3(vertex1.X, 0, vertex1.Y));
geometry.AddVertex(new Vector3(vertex2.X, 0, vertex2.Y));
geometry.End();
AddChild(geometry);
}
}
